Question 3 :
The point on the stem from where the leaf arises is
Question 4 :
Click and choose the correct option.<br>The lamina has a thickened vein along its centre called petiole.
Question 5 :
Click and choose the correct answer.<br>The leaves of submerged plants <i>Hydrilla</i> are long, narrow and ribbon-shaped.
Question 6 :
In reticulate venation, veins and veinlets are irregularly distributed over the entire lamina, forming a network.
Question 7 :
The flat green portion of the leaf is called the leaf blade.
Question 12 :
Click and choose the correct answer.<br>The body of these animals are streamlined to offer the least resistance to water and thus help in swimming.
Question 13 :
In a simple leaf, the leaf blade is clearly divided into many distinct parts called leaflets
Question 14 :
Click and choose the correct option.<br>Anther, style and stigma are the parts of a carpel.
Question 15 :
Click and choose the correct answer.<br>The transfer of the pollen grains from the anthers to the stigma of a flower is called fertilization.
Question 16 :
Click and choose the correct answer.<br>Bones are without bone marrow in __________.
Question 17 :
Click and choose the correct answer.<br>Which of the following does not help to transport water into the leaves from the stem?
Question 18 :
Click and choose the correct answer.<br>Which of the following is an incomplete flower?
Question 19 :
Click and choose the correct option.<br>In certain plants, leaves or parts of leaves get modified into pointed structures called __________.
Question 20 :
Click and choose the correct option.<br>The ______________ or pistil is the innermost whorl of a flower.